PISTON KIT/2 KAW EX650 NINJA, WOSSNER K8721DA-2 3-Ri 2009
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner K8721DA-2 forged piston kit for 2009 Kawasaki EX650 Ninja. Features PTFE-coated skirts, elliptical design for even load distribution, and enhanced heat transfer. Polished crown surfaces resist detonation. Includes piston pins and clips, designed to use OEM ring sets. Bore size is 84.00mm standard with a measured bore of 83.95mm. Compression ratio is 12.6:1. This kit contains 2 pistons and is made in Germany.
- SKU
- 56-W9869.000.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (1)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | EX NINJA 650 | 2009 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 259005
FULL DESCRIPTION
Wossner Piston Kit for High-Performance Four-Stroke Engines
Upgrade your engine's performance and durability with the Wossner K8721DA-2 piston kit. Engineered for precision and built to last, these forged pistons are designed for high-compression four-stroke applications.
Key Features:
- Forged high-performance pistons with durable PTFE-coated skirts for reduced friction.
- Elliptical piston design ensures even load distribution and optimal thermal expansion.
- Enhanced heat transfer capabilities to manage combustion chamber temperatures effectively.
- Polished crown surfaces help resist detonation and prevent hot spots within the combustion chamber.
- Designed to utilize OEM ring sets for seamless integration.
- Includes essential piston pins and clips for a complete installation.
Specifications:
- Bore Size: 84.00mm (Standard)
- Measured Bore: 83.95mm
- Compression Ratio: 12.6:1
- Quantity: 2 pistons included per kit
- Manufacturing Origin: Germany
Kit Components:
- Pistons (2)
- Piston Pins
- Clips
- Requires OEM Ring Sets
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.